Tilton Till Member
Lithostratigraphy: Banner Formation >>Tilton Till Member
Chronostratigraphy: Cenozoic Erathem >>Quaternary System >>Pleistocene Series
Primary source
Willman, H. B., Elwood Atherton, T. C. Buschbach, Charles Collinson, John C. Frye, M. E. Hopkins, Jerry A. Lineback, and Jack A. Simon, 1975, Handbook of Illinois Stratigraphy: Illinois State Geological Survey Bulletin 95, 261 p.
Contributing author(s)
John C. Frye and H. B. Willman
Name
Original description
Tilton Till Member, Banner Formation (Johnson et al., 1971, p. 196).
Derivation
Named for Tilton, Vermilion County.
Other names
History/background
Type section
Type location
The type locality is the School House Branch Section (SE NE NE 2, 19N-12W).
Type author(s)
Type status
Reference section
Reference location
Reference author(s)
Reference status
Stratigraphic relationships
The Tilton Till is commonly overlain at the top by a truncated weathered zone, or an oxidized zone, and in the Harmattan Strip Mine Section it overlies the Hillery Till Member.
Extent and thickness
In Vermilion County the member is about 15 feet thick.
Lithology
Where unoxidized, the Tilton Till Member is gray, calcareous, hard, silty, sandy till. The unit contains considerable silt, sand, and gravel, particularly near the upper and lower boundaries.
Core(s)
Photograph(s)
Contacts
Well log characteristics
Fossils
Age and correlation
Environments of deposition
Economic importance
Remarks
References
JOHNSON, W. H., D. L. GROSS, and S. R. MORAN, 1971, Till stratigraphy of the Danville region, east-central Illinois, in Till, A Symposium: Ohio State University Press, Columbus, p. 184-216; Illinois State Geological Survey Reprint 1972-I.
ISGS Codes
| Stratigraphic Code | Geo Unit Designation |
|---|---|